She originally had $400 in her bank account.
The 50w represents the amount she will put away each week.
Answer:
i think its no soulution
Step-by-step explanation:
the numbers all cancel out
You find the slope of the line by using the formula 
where x1 and y1 is the first point, and x2 and y2 are the second point.
The 2 angles at a vertex are supplementary (one interior and one exterior) the exterior angle is = the the sum of the 2 remote interior angles..
